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require 'cases/helper'
class OverloadedType < ActiveRecord::Base
attribute :overloaded_float, :integer
attribute :overloaded_string_with_limit, :string, limit: 50
attribute :non_existent_decimal, :decimal
attribute :string_with_default, :string, default: 'the overloaded default'
end
class ChildOfOverloadedType < OverloadedType
end
class GrandchildOfOverloadedType < ChildOfOverloadedType
attribute :overloaded_float, :float
end
class UnoverloadedType < ActiveRecord::Base
self.table_name = 'overloaded_types'
end
module ActiveRecord
class CustomPropertiesTest < ActiveRecord::TestCase
test "overloading types" do
data = OverloadedType.new
data.overloaded_float = "1.1"
data.unoverloaded_float = "1.1"
assert_equal 1, data.overloaded_float
assert_equal 1.1, data.unoverloaded_float
end
test "overloaded properties save" do
data = OverloadedType.new
data.overloaded_float = "2.2"
data.save!
data.reload
assert_equal 2, data.overloaded_float
assert_kind_of Fixnum, OverloadedType.last.overloaded_float
assert_equal 2.0, UnoverloadedType.last.overloaded_float
assert_kind_of Float, UnoverloadedType.last.overloaded_float
end
test "properties assigned in constructor" do
data = OverloadedType.new(overloaded_float: '3.3')
assert_equal 3, data.overloaded_float
end
test "overloaded properties with limit" do
assert_equal 50, OverloadedType.type_for_attribute('overloaded_string_with_limit').limit
assert_equal 255, UnoverloadedType.type_for_attribute('overloaded_string_with_limit').limit
end
test "nonexistent attribute" do
data = OverloadedType.new(non_existent_decimal: 1)
assert_equal BigDecimal.new(1), data.non_existent_decimal
assert_raise ActiveRecord::UnknownAttributeError do
UnoverloadedType.new(non_existent_decimal: 1)
end
end
test "changing defaults" do
data = OverloadedType.new
unoverloaded_data = UnoverloadedType.new
assert_equal 'the overloaded default', data.string_with_default
assert_equal 'the original default', unoverloaded_data.string_with_default
end
test "defaults are not touched on the columns" do
assert_equal 'the original default', OverloadedType.columns_hash['string_with_default'].default
end
test "children inherit custom properties" do
data = ChildOfOverloadedType.new(overloaded_float: '4.4')
assert_equal 4, data.overloaded_float
end
test "children can override parents" do
data = GrandchildOfOverloadedType.new(overloaded_float: '4.4')
assert_equal 4.4, data.overloaded_float
end
test "overloading properties does not attribute method order" do
attribute_names = OverloadedType.attribute_names
assert_equal %w(id overloaded_float unoverloaded_float overloaded_string_with_limit string_with_default non_existent_decimal), attribute_names
end
test "caches are cleared" do
klass = Class.new(OverloadedType)
assert_equal 6, klass.attribute_types.length
assert_equal 6, klass.column_defaults.length
assert_not klass.attribute_types.include?('wibble')
klass.attribute :wibble, Type::Value.new
assert_equal 7, klass.attribute_types.length
assert_equal 7, klass.column_defaults.length
assert klass.attribute_types.include?('wibble')
end
test "the given default value is cast from user" do
custom_type = Class.new(Type::Value) do
def cast(*)
"from user"
end
def deserialize(*)
"from database"
end
end
klass = Class.new(OverloadedType) do
attribute :wibble, custom_type.new, default: "default"
end
model = klass.new
assert_equal "from user", model.wibble
end
test "procs for default values" do
klass = Class.new(OverloadedType) do
@@counter = 0
attribute :counter, :integer, default: -> { @@counter += 1 }
end
assert_equal 1, klass.new.counter
assert_equal 2, klass.new.counter
end
test "user provided defaults are persisted even if unchanged" do
model = OverloadedType.create!
assert_equal "the overloaded default", model.reload.string_with_default
end
if current_adapter?(:PostgreSQLAdapter)
test "array types can be specified" do
klass = Class.new(OverloadedType) do
attribute :my_array, :string, limit: 50, array: true
attribute :my_int_array, :integer, array: true
end
string_array = ConnectionAdapters::PostgreSQL::OID::Array.new(
Type::String.new(limit: 50))
int_array = ConnectionAdapters::PostgreSQL::OID::Array.new(
Type::Integer.new)
assert_not_equal string_array, int_array
assert_equal string_array, klass.type_for_attribute("my_array")
assert_equal int_array, klass.type_for_attribute("my_int_array")
end
test "range types can be specified" do
klass = Class.new(OverloadedType) do
attribute :my_range, :string, limit: 50, range: true
attribute :my_int_range, :integer, range: true
end
string_range = ConnectionAdapters::PostgreSQL::OID::Range.new(
Type::String.new(limit: 50))
int_range = ConnectionAdapters::PostgreSQL::OID::Range.new(
Type::Integer.new)
assert_not_equal string_range, int_range
assert_equal string_range, klass.type_for_attribute("my_range")
assert_equal int_range, klass.type_for_attribute("my_int_range")
end
end
end
end
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